From: Ben Wijen <ben@wijen.net>
To: git@vger.kernel.org
Cc: Junio C Hamano <gitster@pobox.com>,
Johannes Schindelin <johannes.schindelin@gmx.de>,
Pratik Karki <predatoramigo@gmail.com>,
Phillip Wood <phillip.wood123@gmail.com>,
Ben Wijen <ben@wijen.net>
Subject: [PATCH v2 1/1] rebase.c: make sure current branch isn't moved when autostashing
Date: Tue, 20 Aug 2019 22:12:37 +0200 [thread overview]
Message-ID: <20190820201237.10205-2-ben@wijen.net> (raw)
In-Reply-To: <20190820201237.10205-1-ben@wijen.net>
Consider the following scenario:
git checkout not-the-master
work work work
git rebase --autostash upstream master
Here 'rebase --autostash <upstream> <branch>' incorrectly moves the
upstream branch to master.
The expected behavior: (58794775:/git-rebase.sh:526)
AUTOSTASH=$(git stash create autostash)
git reset --hard
git checkout master
git rebase upstream
git stash apply $AUTOSTASH
The actual behavior: (6defce2b:/builtin/rebase.c:1062)
AUTOSTASH=$(git stash create autostash)
git reset --hard master
git checkout master
git rebase upstream
git stash apply $AUTOSTASH
This commit reinstates the 'legacy script' behavior as introduced with
58794775: rebase: implement --[no-]autostash and rebase.autostash
Signed-off-by: Ben Wijen <ben@wijen.net>
---
builtin/rebase.c | 18 ++++++------------
t/t3420-rebase-autostash.sh | 13 +++++++++----
2 files changed, 15 insertions(+), 16 deletions(-)
diff --git a/builtin/rebase.c b/builtin/rebase.c
index 670096c065..a928f44941 100644
--- a/builtin/rebase.c
+++ b/builtin/rebase.c
@@ -1968,9 +1968,6 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
state_dir_path("autostash", &options);
struct child_process stash = CHILD_PROCESS_INIT;
struct object_id oid;
- struct commit *head =
- lookup_commit_reference(the_repository,
- &options.orig_head);
argv_array_pushl(&stash.args,
"stash", "create", "autostash", NULL);
@@ -1991,17 +1988,14 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
options.state_dir);
write_file(autostash, "%s", oid_to_hex(&oid));
printf(_("Created autostash: %s\n"), buf.buf);
- if (reset_head(&head->object.oid, "reset --hard",
+
+ /*
+ * We might not be on orig_head yet:
+ * Make sure to reset w/o switching branches...
+ */
+ if (reset_head(NULL, "reset --hard",
NULL, RESET_HEAD_HARD, NULL, NULL) < 0)
die(_("could not reset --hard"));
- printf(_("HEAD is now at %s"),
- find_unique_abbrev(&head->object.oid,
- DEFAULT_ABBREV));
- strbuf_reset(&buf);
- pp_commit_easy(CMIT_FMT_ONELINE, head, &buf);
- if (buf.len > 0)
- printf(" %s", buf.buf);
- putchar('\n');
if (discard_index(the_repository->index) < 0 ||
repo_read_index(the_repository) < 0)
diff --git a/t/t3420-rebase-autostash.sh b/t/t3420-rebase-autostash.sh
index b8f4d03467..c26b4b0885 100755
--- a/t/t3420-rebase-autostash.sh
+++ b/t/t3420-rebase-autostash.sh
@@ -37,7 +37,6 @@ test_expect_success setup '
create_expected_success_am () {
cat >expected <<-EOF
$(grep "^Created autostash: [0-9a-f][0-9a-f]*\$" actual)
- HEAD is now at $(git rev-parse --short feature-branch) third commit
First, rewinding head to replay your work on top of it...
Applying: second commit
Applying: third commit
@@ -48,7 +47,6 @@ create_expected_success_am () {
create_expected_success_interactive () {
q_to_cr >expected <<-EOF
$(grep "^Created autostash: [0-9a-f][0-9a-f]*\$" actual)
- HEAD is now at $(git rev-parse --short feature-branch) third commit
Applied autostash.
Successfully rebased and updated refs/heads/rebased-feature-branch.
EOF
@@ -57,7 +55,6 @@ create_expected_success_interactive () {
create_expected_failure_am () {
cat >expected <<-EOF
$(grep "^Created autostash: [0-9a-f][0-9a-f]*\$" actual)
- HEAD is now at $(git rev-parse --short feature-branch) third commit
First, rewinding head to replay your work on top of it...
Applying: second commit
Applying: third commit
@@ -70,7 +67,6 @@ create_expected_failure_am () {
create_expected_failure_interactive () {
cat >expected <<-EOF
$(grep "^Created autostash: [0-9a-f][0-9a-f]*\$" actual)
- HEAD is now at $(git rev-parse --short feature-branch) third commit
Applying autostash resulted in conflicts.
Your changes are safe in the stash.
You can run "git stash pop" or "git stash drop" at any time.
@@ -306,4 +302,13 @@ test_expect_success 'branch is left alone when possible' '
test unchanged-branch = "$(git rev-parse --abbrev-ref HEAD)"
'
+test_expect_success 'never change upstream branch' '
+ test_when_finished "git reset --hard && git branch -D upstream" &&
+ git checkout -b upstream unrelated-onto-branch &&
+ echo changed >file0 &&
+ git add file0 &&
+ git rebase --autostash upstream feature-branch &&
+ test_cmp_rev upstream unrelated-onto-branch
+'
+
test_done
--
2.22.0
next prev parent reply other threads:[~2019-08-20 20:13 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-18 9:53 [PATCH 0/2] git rebase: Make sure upstream branch is left alone Ben Wijen
2019-08-18 9:53 ` [PATCH 1/2] t3420: never change upstream branch Ben Wijen
2019-08-19 21:55 ` Junio C Hamano
2019-08-20 8:58 ` Phillip Wood
2019-08-18 9:53 ` [PATCH 2/2] rebase.c: make sure current branch isn't moved when autostashing Ben Wijen
2019-08-20 9:00 ` Phillip Wood
2019-08-20 19:53 ` Ben
2019-08-20 20:12 ` [PATCH v2 0/1] git rebase: Make sure upstream branch is left alone Ben Wijen
2019-08-20 20:12 ` Ben Wijen [this message]
2019-08-20 20:24 ` [PATCH v2 1/1] rebase.c: make sure current branch isn't moved when autostashing Eric Sunshine
2019-08-20 20:58 ` Junio C Hamano
2019-08-21 18:29 ` [PATCH v3 0/1] rebase.c: make sure the active " Ben Wijen
2019-08-21 18:29 ` [PATCH v3 1/1] " Ben Wijen
2019-08-22 12:27 ` Johannes Schindelin
2019-08-22 15:49 ` Junio C Hamano
2019-08-26 16:45 ` [PATCH v4 " Ben Wijen
2019-08-26 16:45 ` Ben Wijen
2019-08-26 17:10 ` SZEDER Gábor
2019-08-28 12:56 ` Johannes Schindelin
2019-08-28 15:34 ` Junio C Hamano
2019-08-28 16:03 ` Junio C Hamano
2019-08-29 16:47 ` [PATCH v5 0/2] rebase.c: make sure current " Ben Wijen
2019-08-29 16:47 ` [PATCH v5 1/2] builtin/rebase.c: make sure the active " Ben Wijen
2019-08-29 16:47 ` [PATCH v5 2/2] builtin/rebase.c: Remove pointless message Ben Wijen
2019-08-30 15:16 ` [PATCH v6 0/2] rebase.c: make sure current branch isn't moved when autostashing Ben Wijen
2019-08-30 15:16 ` [PATCH v6 1/2] builtin/rebase.c: make sure the active " Ben Wijen
2019-08-30 20:15 ` Junio C Hamano
2019-08-31 7:17 ` Ben
2019-09-01 16:01 ` Junio C Hamano
2019-09-01 16:27 ` Ben
2019-09-02 17:33 ` Junio C Hamano
2019-08-30 15:16 ` [PATCH v6 2/2] builtin/rebase.c: Remove pointless message Ben Wijen
2019-08-30 20:16 ` Junio C Hamano
2019-08-31 7:17 ` Ben
2019-08-30 15:16 ` [PATCH " Ben Wijen
2019-08-19 9:26 ` [PATCH 0/2] git rebase: Make sure upstream branch is left alone Phillip Wood
2019-08-19 15:33 ` Ben
2019-08-19 18:21 ` Junio C Hamano
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